Home / 51,651.21-77,509.59-22,069.28

Finding the Fourth Proportional to 51,651.21, 77,509.59 and 22,069.28

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Solution

The fourth proportional to 51,651.21, 77,509.59 and 22,069.28 is: 33,117.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,651.21 : 77,509.59 = 22,069.28 : x
  2. Step 2: Convert to fraction form
    51,651.21/77,509.59 = 22,069.28/x
  3. Step 3: Cross multiply
    51,651.21x = 77,509.59 × 22,069.28
  4. Step 4: Simplify right side
    51,651.21x = 1,710,580,456.85
  5. Step 5: Solve for x
    x = 1,710,580,456.85/51,651.21
  6. Step 6: Final answer
    x = 33,117.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.